Intel Core i9 11900K vs i7 12700K

We compared two desktop CPUs: the 3.5 GHz Intel Core i9 11900K with 8-cores against the 3.6 GHz i7 12700K with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 12700K and 11900K
Advantages of Intel Core i9 11900K
  • 8% higher Turbo Boost frequency (5.3 GHz vs 4.9 GHz)
Advantages of Intel Core i7 12700K
  • Has 9 MB larger L3 cache size
  • Has 4 more physical cores
  • Around 26.8 GB/s (54%) higher theoretical memory bandwidth
  • Newer - released 7-months later
  • More modern manufacturing process – 10 versus 14 nanometers
  • Newer PCI Express version – 5.0
  • 15% faster in a single-core Geekbench v5 test - 2096 vs 1830 points


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i9 11900K and i7 12700K


Vendor Intel Intel
Released March 16, 2021 October 27, 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Rocket Lake Alder Lake
Model number i9-11900K i7-12700K
Integrated GPU UHD Graphics 750 UHD Graphics 770


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.5 GHz 3.6 GHz
Turbo Boost Frequency (P) 5.3 GHz 4.9 GHz
Efficient Cores
E-Cores - 4
E-Threads - 4
Base Frequency (E) - 2.7 GHz
Turbo Boost Frequency (E) - 3.8 GHz
Total Cores 8 12
Total Threads 16 20
Bus Frequency 100 MHz 100 MHz
Multiplier 35x 36x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 80K (per core)
L2 Cache 512K (per core) 12MB (shared)
L3 Cache 16MB (shared) 25MB (shared)
Unlocked Multiplier Yes Yes


Fabrication process 14 nm 10 nm
Socket LGA-1200 LGA-1700
TDP 125 W 125 W
Max. Boost TDP - 190 W
Peak temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 750 Intel UHD Graphics 770
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1300 MHz 1500 MHz
Shading Units 256 256
TMUs 64 16
ROPs 32 8
Execution Units 32 32
TGP 15 W 15 W
Max. Resolution 3840x2160 - 60 Hz -

Memory Support

Memory types DDR4-3200 DDR5-4800, DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 50 GB/s 76.8 GB/s
ECC Support No Yes


Official site Intel Core i9 11900K official page Intel Core i7 12700K official page
PCI Express Version 4.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
29 (10.2%)
256 (89.8%)
Total votes: 285


So which CPU will you choose: Intel Core i7 12700K or i9 11900K?
Matthew.A 14 February 2022 04:17
I chose the 12700k because it's on par with the 12900k in gaming because of 8p cores and is good for light creativity and production apps. Also cheaper of course.
+3 Reply
Charles G 09 November 2021 19:39
I chose the i7 12700K for music production
0 Reply